APA (7e ed.) Bronvermelding

Presidential Communications Development and Strategic Planning Office & Quezon, M. L. I. (2014). The official calendar of the Republic of the Philippines: An almanac of Philippine commemorations : enlivened with illustrations and information. Presidential Communications Development and Strategic Planning Office.

Chicago (17e ed.) Bronvermelding

Presidential Communications Development and Strategic Planning Office en Manuel L. III Quezon. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Manila: Presidential Communications Development and Strategic Planning Office, 2014.

MLA (9e ed.) Bronvermelding

Presidential Communications Development and Strategic Planning Office en Manuel L. III Quezon. The Official Calendar of the Republic of the Philippines: An Almanac of Philippine Commemorations : Enlivened with Illustrations and Information. Presidential Communications Development and Strategic Planning Office, 2014.